NXT LABS

Senior Network Engineer

NXT LABS  •  Lahore, PK / Karachi, PK (Hybrid)  •  3 months ago
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Job Description

Key Responsibilities

  • Design and implement AWS network architectures including Hub-and-Spoke, Shared Services, and Landing Zone models

  • Architect and manage multi-account and multi-region AWS environments using AWS Organizations and Control Tower

  • Design, configure, and manage Amazon VPC architectures (CIDR planning, subnetting, routing tables, segmentation)

  • Implement centralized routing and security using AWS Transit Gateway

  • Configure and manage VPC Peering, VPC Endpoints (PrivateLink), Internet Gateways, and NAT Gateways

  • Design and support hybrid connectivity using Site-to-Site VPN, Client VPN, and AWS Direct Connect

  • Automate AWS network infrastructure using Terraform modules and Infrastructure-as-Code best practices

  • Design, deploy, and manage firewall solutions including AWS Network Firewall, Security Groups, NACLs, and third-party firewalls

  • Configure and troubleshoot routing protocols such as BGP and static routing across AWS and on-prem environments

  • Manage and support switching technologies including VLANs, trunking, and Layer 2 / Layer 3 switching

  • Troubleshoot complex network issues related to routing, switching, firewall policies, latency, and packet flow

  • Implement and manage load balancing architectures using ALB, NLB, and Gateway Load Balancer (GWLB)

  • Monitor and optimize network performance using VPC Flow Logs, CloudWatch, and network monitoring tools

  • Maintain network diagrams, architecture documentation, and Terraform code repositories

Technical Stack & Tools

  • Strong expertise in AWS Networking & Network Architecture

  • Hands-on experience with Terraform for AWS network automation

  • In-depth knowledge of routing protocols (BGP, static routing)

  • Strong experience with switching technologies (VLANs, STP, L2/L3 switching)

  • Solid experience implementing and managing firewalls and network security controls

  • Deep understanding of TCP/IP, DNS, DHCP, subnetting, and network segmentation

  • Proven experience troubleshooting cloud, on-prem, and hybrid network environments

Preferred Qualifications

  • AWS Certified Advanced Networking – Specialty

  • Experience with AWS Landing Zone / Control Tower

  • Experience with third-party firewalls ( Palo Alto, Fortinet, Cisco, Check Point)

  • Knowledge of Zero Trust and defense-in-depth network security models

  • Experience with IPv6 networking

  • Familiarity with DevOps practices and CI/CD pipelines

Why Join Us?

  • Work on large-scale, enterprise-grade AWS environments

  • High ownership and architectural influence

  • Collaborative engineering culture

  • Fast-paced environment with real technical challenges

NXT LABS

About NXT LABS

Tmr’s businesses. Created today.

NXT Labs is a collective of dreamers & doers who create, innovate & improve on the status quo.

Searching for the NXT big idea, NXT innovation to improve peoples’ lives with, NXT passionate dream to fulfil.

Why?

Cause we’re restless people with a purpose.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Austin, Texas
Year Founded
2015
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